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kumpel [21]
3 years ago
6

rectangle P’R’S’T is a dilation of rectangle PRST and scale factor is 3. write an equation for the perimeter of P’R’S’T if the o

riginal sides of the rectangle were x and y
Mathematics
1 answer:
wariber [46]3 years ago
5 0
The perimeter formula for the original PRST rectangle is:
 P = 2x + 2y
 To find the perimeter formula of the rectangle P'R'S'T we must use the scale factor and substitute in each dimension.
 We have then:
 P '= 2 (3x) +2 (3y)
 Rewriting:
 P '= 6x + 6y
 P '= 6 (x + y)
 Answer:
 
An equation for the perimeter of P'R'S'T is:
 
P '= 6 (x + y)
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